Index 400 Stock Portfolio Investment Objectives and Goals - Index 400 Stock Portfolio |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Index 400 Stock Portfolio – Summary |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:10.02pt;font-weight:bold;">INVESTMENT OBJECTIVE</span> |
| Objective, Primary [Text Block] | The investment objective of the Portfolio is to achieve investment results that approximate the performance of the S&P MidCap 400® Stock Price Index (“S&P MidCap 400® Index”). |